Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-18 | 235/50-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.13 (689.2) | 28.25 (717.6) | 1.12 (28.4) 4.1% |
| Width inches (mm) | 5.71 (145) | 9.25 (235) | 3.54 (90) 62.1% |
| Circum. inches (mm) | 85.24 (2165.19) | 88.76 (2254.41) | 3.51 (89.22) 4.1% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.63 (117.5) | 0.06 (1.5) 1.3% |
| Revolutions per mile (km) | 743.28 (461.85) | 713.87 (443.57) | -29.42 (-18.28) -4% |
235/50-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.82 mph (33.51 km/h) |
| 25 mph (40.23 km/h) | 26.03 mph (41.89 km/h) |
| 30 mph (48.28 km/h) | 31.24 mph (50.27 km/h) |
| 35 mph (56.33 km/h) | 36.44 mph (58.65 km/h) |
| 40 mph (64.37 km/h) | 41.65 mph (67.03 km/h) |
| 45 mph (72.42 km/h) | 46.85 mph (75.4 km/h) |
| 50 mph (80.47 km/h) | 52.06 mph (83.78 km/h) |
| 55 mph (88.51 km/h) | 57.27 mph (92.16 km/h) |
| 60 mph (96.56 km/h) | 62.47 mph (100.54 km/h) |
| 65 mph (104.61 km/h) | 67.68 mph (108.92 km/h) |
| 70 mph (112.65 km/h) | 72.88 mph (117.3 km/h) |
| 75 mph (120.7 km/h) | 78.09 mph (125.67 km/h) |
| 80 mph (128.75 km/h) | 83.3 mph (134.05 km/h) |
| 85 mph (136.79 km/h) | 88.5 mph (142.43 km/h) |
| 90 mph (144.84 km/h) | 93.71 mph (150.81 km/h) |
| 95 mph (152.89 km/h) | 98.91 mph (159.19 km/h) |
| 100 mph (160.93 km/h) | 104.12 mph (167.57 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1817 | 2110 | 2273 | 2373 | 2481 | 2559 | 2644 | 2744 | 2883 | 3023 | 3177 | 3301 | 3525 | 3772 | 3966 | 4089 | 4159 | 4414 | 4770 | 5543 |
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